Electrons in a strong magnet....

Q: Q1. The colour of silver and gold nanoparticles changes according to the particle's ....... OK

A: The color changes depending on the size/shape of the gold nanoparticles.

Q: This is an unbalanced atom or molecule. * CHOICES: A. electron B. ion C. ampere D. potential energy…

A: When any neutral atom gives an electron or takes an electron then ion is formed.

Q: 2. Determine how many different fluorine environments are present in each molecule or ion assuming a…

A: Nuclear transition refers to the process in which an atomic nucleus changes from one energy state to…

Q: Which of the following statements is correct? A. All metals are shiny and can conduct electricity.…

A: Which of the following statement is correct ?  A. All metals are shiny and can conduct electricity.…

Q: mass number for the calcium isotope with 22 neutrons

A:

Q: What does the compound look like?

A:

Q: The main activators of ozone is:  a. Oxygen species b. Visible light c. Carbon dioxide d.…

A: Ultraviolet In the stratosphere, ozone is created primarily by ultraviolet radiation.When an ozone…

Q: Which of the following contain(s) atoms? . • a. heat . b. energy • c. dust . d. light .e. all of the…

A: Atoms are the fundamental building blocks of matter, composing every tangible substance we…

Q: If limestone is interacted with an acid, it liberates a gas made from:  a. water vapor b. methane…

A: The substance obtained from the rocks, caves as sediment with the combination of minerals, such as…

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows to predict the…

A:

Q: Which group of substances contains only elements?   A. salt, copper, aluminum   B. silicon,…

A: There should not be any mixture or molecule or compound in the option.

Q: Complete and balance the following redox equation. What is the coefficient of H20 when the equation…

A:

Q: Nonmetals typically ______ and metals typically ______.   A. donate  neutrons; accept…

A: Non-metals typically ______ and metals typically ______. A.donate  neutrons; accept neutrons…

Q: atomic number for the calcium isotope with 22 neutrons Express your answer as an integer.

A: Isotope : Element with same atomic no. but having different no. of neutrons.

Q: Ionic bonds are formed by the ............... of  electrons from one atom to another.

A:

Q: The most important form of potential energy in molecules is ............. potential energy, Eel

A: The most important form of potential energy in molecules is electrostatic potential energy.…

Q: mass number for the chromium isotope with 29 neutrons Express your answer as an integer.

A: Naturally occurring chromium consists of the following four isotopes: 50Cr, 52Cr, 53Cr and 54Cr. The…

Q: Molecules with both a positive and a negative charge, but an overall neutral charge, are called…

A: To understand: charge of molecules

Q: A(n) ______________________ contains two or more atoms that are bound together by sharing electrons…

A: A bond which is formed by the sharing of electrons between atoms is generally known as covalent…

Q: The temperature starts decreasing in this layer of the atmosphere as the altitude increases reaching…

A: Troposphere is the lowest region of the atmosphere its boundary is fallen in the range of 10-18 km…

Q: Carbon atom example: What is its atomic number? What is its atomic mass? How many electronic does…

A: Carbon is a Chemical element with symbol 'C' . It belongs to the group 14 of periodic table.

Q: True or False -Atomic theory doesn't need to be taken seriously because it's just a theory ....

A: Given statement is, Atomic theory doesn't need to be taken seriously because it's just a theory

Q: A(n) ______________________ has a negative charge an a mass about 1,800 times smaller than a proton.…

A:

Q: 1) A negatively charged object A. gained electrons B. lost protons c. lost electrons D. both A and B…

A: Electropositive atoms are those atoms which can easily donate electrons.

Q: It is a known fact that in the electromagnetic spectrum, the strength of the radiation energy will…

A: In the given question, we have to identify wavelength range which produces vibration in chemical…

Q: Electrons that are available for bonding are called _____________ electrons.     A. ionic   B.…

A: In an atom, outermost electrons are called valence electrons and inner electrons are called core…

Q: Decide which element probably has a melting point most and least similar to the melting point of…

A: The melting point is a characteristic physical property of a solid. The temperature at which a solid…

Q: Greenhouse gases absorb thermal energy. What happens to the energy that is transferred into…

A: when green house gases absorb heat it will cause the molecule to be rotate or vibrate

Q: Choose the letter that DOES NOT belong on the list. A. carbon dioxide B. water vapor C. argon D.…

A:

Q: He was a tax collector and the one named the term hydrogen and oxygen:  a. Mendeleev b. Cavendish…

A: Interpretation - To explain who named the term hydrogen and oxygen.

Q: The atomic mass unit is based on the mass of the _________ atom.

A:

Q: The World,s first wind power plant was installed in a. USA b. Iran c. Scotland

A: Wind power plants mainly stabilized in high windy areas. In this process, wind travel through the…

Q: What are names for (a.), (b.), (c.), and (d.)? H. NMe, (c) N. Me (d)

A: The given compounds are  To find: The name of the given compounds

Q: Which of the following substances would most likely contain metallic bonding? a. An organic…

A: Metals are good conductor of heat and electricity whereas non metals are bad conductor of heat and…

Q: 17. An object on the moon would have the same as that object on the earth.

A: We know that, mass does not depend upon the place where it is to be measured, it remains same at…

Q: 7)a. Sulfuric Acid c. Sulfurous Acid d. Periodic acid Nitrous acid

A: In this we have to give chemical formula of each compound

Q: when a force is app When force is rema Rubber band has a It satisfies all other nly nd II and III…

A: Rubber band is considered as a solid because stretching the rubber, its shape is changes ,after it…

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.